Connected: An Internet Encyclopedia
RFC 850 - 2.2.2 Sender

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### 2.2.2 Sender

This field is present only if the submitter manually enters a From line. It is intended to record the entity responsible for submitting the article to the network, and should be verified by the software at the submitting site.

For example, if John Smith is visiting CCA and wishes to post an article to the network, using friend Sarah Jones account, the message might read

         From: smith@ucbvax.uucp (John Smith)
         Sender: jones@cca.arpa (Sarah Jones)

If a gateway program enters a mail message into the network at site sri-unix, the lines might read

         From: John.Doe@CMU-CS-A.ARPA
         Sender: network@sri-unix.ARPA

The primary purpose of this field is to be able to track down articles to determine how they were entered into the network. The full name may be optionally given, in parentheses, as in the From line.

Next: 2.2.3 Followup-To

Connected: An Internet Encyclopedia
RFC 850 - 2.2.2 Sender